Tweedledum and Tweedledee

Tweedledum and Tweedledee are the imaginary characters in an English-language nursery rhyme. These names gained so of popularity that it became synonyms for any two people looked and acted in an identical way in western popular culture.

“Tweedle-dum” and “Tweedle-dee” were first written and invented by John Byrom in satire which describes the rivalry of two popular celebrities of the eighteenth century, George Frideric Handel and Giovanni Bononcini.